A potential downside is that it might discourage people from posting their code into the forum – and code posted from web editor sketches has a bad habit of quickly mutating after a question is asked. But it would certainly make the Gallery more compelling…

That’s a very old sketch of mine.
BtW, I did a followup w/ 2 players instead of 1 both for Java Mode & p5js flavors: OpenProcessing.org/sketch/717760
And now I’ve decided to do a Python Mode version as well. Check it out:
#!/bin/python2
"""
Players Movement (v1.1.0)
by GoToLoop (2020/Mar/11)
Discourse.Processing.org/t/issues-with-smooth-2d-movement-in-python/18556/4
GoToLoop.Trinket.io/sites/players-movement
Trinket.io/processing/62fab051ed
Reddit…